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https://issues.apache.org/jira/browse/FLINK-19602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-19602.
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Assignee: Yingjie Cao
Resolution: Fixed
Implemented in 1.12.0 (master) via 11ba5b3b26e146d80e1319d77d1ee5ef2dd261d1
> Introduce new config options to enable sort-merge based blocking shuffle
> ------------------------------------------------------------------------
>
> Key: FLINK-19602
> URL: https://issues.apache.org/jira/browse/FLINK-19602
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Affects Versions: 1.12.0
> Reporter: Yingjie Cao
> Assignee: Yingjie Cao
> Priority: Major
> Fix For: 1.12.0
>
>
> 1. taskmanager.network.sort-merge-blocking-shuffle.buffers-per-partition:
> Number of network buffers required for each sort-merge blocking result
> partition.
> 2. taskmanager.network.sort-merge-blocking-shuffle.min-parallelism: Minimum
> parallelism to enable the sort-merge based blocking shuffle.
> With these new config options, the default behavior of blocking shuffle stays
> unchanged.
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